Home / 111,131.64-166,712.10-36,225.54

Finding the Fourth Proportional to 111,131.64, 166,712.10 and 36,225.54

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Solution

The fourth proportional to 111,131.64, 166,712.10 and 36,225.54 is: 54,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131.64 : 166,712.10 = 36,225.54 : x
  2. Step 2: Convert to fraction form
    111,131.64/166,712.10 = 36,225.54/x
  3. Step 3: Cross multiply
    111,131.64x = 166,712.10 × 36,225.54
  4. Step 4: Simplify right side
    111,131.64x = 6,039,235,847.03
  5. Step 5: Solve for x
    x = 6,039,235,847.03/111,131.64
  6. Step 6: Final answer
    x = 54,343.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.